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Finding the Fourth Proportional to 50.97, 76.47 and 26.94

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Solution

The fourth proportional to 50.97, 76.47 and 26.94 is: 40.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.97 : 76.47 = 26.94 : x
  2. Step 2: Convert to fraction form
    50.97/76.47 = 26.94/x
  3. Step 3: Cross multiply
    50.97x = 76.47 × 26.94
  4. Step 4: Simplify right side
    50.97x = 2,060.10
  5. Step 5: Solve for x
    x = 2,060.10/50.97
  6. Step 6: Final answer
    x = 40.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.